The geometry of [Ni(CN)4]2– and [NiCl4]2

Engineering

Chemistry

Crystal Field Theory and Valence Bond Theory

Colour and Magnetism

Isomerism in Coordination Compounds

Question

The geometry of [Ni(CN)₄]^2– and [NiCl₄]^2– are :

both square planar

both tetrahedral

tetrahedral and square planar respectively

square planar and tetrahedral respectively

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⇒ [Ni(CN)₄]^2–

→ When CN^– ligand approaches pairing takes place.

→ Ni⁺² in [Ni(CN)₄]^–2

Geometry = square planer.

⇒ [NiCl₄]^–2

Geometry = Tetrahedral.